| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 2 | |
| #2 | Malawi | 2 | |
| #3 | Zambia | 2 | |
| #4 | Argentina | 1 | |
| #5 | Czechoslovakia | 1 | |
| #6 | German Democratic Republic | 1 | |
| #7 | Algeria | 1 | |
| #8 | Greece | 1 | |
| #9 | South Africa | 1 | |
| #10 | Zimbabwe | 1 |
| # | Industry | |
|---|---|---|
| #1 | Surface technology and coating | |
| #2 | Materials and metallurgy | |
| #3 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Everett Peter Kenneth | 3 |
| #2 | Everett Peter K | 2 |
| #3 | Everett P K | 1 |
| #4 | Peter Kenneth Everett | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA8305542B | Recovery of silver and gold from ores and concentrates |